Here's something you might not have thought of: Ygrafs 14-15our phone could have a lot of germs on it. And if you've just washed your hands and then start typing on your smart phone, you've just dirtied them again!

Dr. Geeta Nayyar, Chief Medical Information Officer at AT&T, recommends washing or disinfecting your phone -- safely, of course. Make sure you follow the instructions from your phone's manufacturer on how to properly clean the device, she said in an e-mail.